Hydrourea (500mg) 100 Capsules

Hydrourea (500mg) 100 Capsules

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  • Manufacturer Pharmedic Laboratories (Pvt.) Ltd.
  • Generic Name Hydroxyurea

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Product Information

  • Description
  • Ingredients
  • Drug Class
  • Dosage Form
  • Uses
  • In case of Overdose
  • Missed Dose
  • How To Use
  • When Not to Use
  • Side Effects
  • Precautions & Warnings
  • Drug Interactions
  • Food Interactions
  • Storage/Disposal
  • Quick Tips, if any
  • Description

    Hydroxyurea, the active ingredient in the 500mg capsule, primarily exerts its effects by inhibiting the enzyme ribonucleotide reductase. This enzyme is crucial for the production of deoxyribonucleotides, which are essential building blocks for DNA synthesis. By inhibiting ribonucleotide reductase, hydroxyurea disrupts DNA replication and repair processes in cells. Specifically, it interferes with the S-phase of the cell cycle, leading to cell cycle arrest and reduced proliferation of rapidly dividing cells, such as cancer cells and certain blood cells. This mechanism makes hydroxyurea particularly effective in managing conditions like certain types of leukemia and sickle cell disease, where controlling cell growth and promoting better blood flow are important therapeutic goals.

  • Ingredients

    Hydroxyurea
  • Drug Class

    Antimetabolite/Antineoplastic Agent

  • Dosage Form

    Capsule

  • Uses

    The following are the uses of Hydroxyurea 500mg Capsule:

    • Used for treating certain types of blood disorders, such as sickle cell anemia and essential thrombocythemia.
    • Used to reduce the frequency of pain episodes and prevent complications related to sickle cell anemia.
    • Used to lower abnormally high platelet counts in essential thrombocythemia.
    • Used to manage myeloproliferative disorders by reducing the risk of blood clots.
    • Used to improve blood flow and reduce the risk of stroke in certain conditions.
    • Used as a chemotherapy agent in some cases of chronic myeloid leukemia.
    • Used to enhance the effectiveness of other cancer treatments.
    • Used to alleviate symptoms and improve overall quality of life in specific blood-related conditions.
  • In case of Overdose

    In the case of an overdose of Hydroxyurea 500mg Capsules, it is important to recognize the potential severity of the situation. Symptoms may include severe bone marrow suppression, leading to anemia, thrombocytopenia, and leukopenia. Nausea, vomiting, and diarrhea may also occur. In such instances, prompt medical intervention is necessary. Seek emergency medical care and provide healthcare professionals with information about the medication, the amount ingested, and the time of overdose to facilitate appropriate treatment.

  • Missed Dose

    In the case of a missed dose of Hydroxyurea 500mg Capsule, it is important to take the medication as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. If you miss multiple doses, contact your healthcare provider for guidance, as they may advise you to restart the medication or adjust the dosage accordingly. It is recommended to maintain a consistent dosing routine to ensure the effectiveness of the treatment.

  • How To Use

    To take Hydroxyurea 500mg Capsules, swallow the capsule whole with a full glass of water, as directed by your healthcare provider, usually once or twice daily, and it can be taken with or without food.

  • When Not to Use

    Here are the circumstances where Hydroxyurea 500mg Capsule should not be administered:

    • Must not be used in patients with a known allergy to hydroxyurea or any of its ingredients.
    • Not indicated for patients with severe bone marrow suppression or low blood cell counts.
    • Should be avoided in patients with severe kidney disease or those undergoing dialysis.
    • Contraindicated in pregnant women due to potential harm to the fetus.
    • Not recommended for breastfeeding mothers as it can pass into breast milk.
    • Patients with uncontrolled high blood pressure should not take this medication.
    • Not suitable for individuals with a history of blood clots or stroke.
  • Side Effects

    The side effects of Hydroxyurea 500mg Capsule may include:

    • Nausea and vomiting
    • Loss of appetite
    • Mouth sores
    • Diarrhea
    • Skin rashes or itching
    • Hair loss or thinning
    • Fatigue and weakness
    • Increased risk of infections
  • Precautions & Warnings

    Following are the precautions and warnings for Hydroxyurea 500mg Capsule:

    • This medication should be used with extreme caution in patients with pre-existing bone marrow suppression, as it can further suppress bone marrow function. Regular blood tests are necessary to monitor blood cell counts.
    • Not recommended for individuals with a known allergy to hydroxyurea or any of its components.
    • Patients with kidney or liver disease should use with caution, as dosage adjustments may be required.
    • Patients undergoing radiation therapy or with a history of radiation exposure should inform their doctor, as hydroxyurea may increase the risk of side effects.
    • Avoid pregnancy during treatment and for a period after, as it may cause harm to the fetus. Effective contraception is crucial while taking this medication.
    • Breastfeeding women should consult their doctor, as hydroxyurea may pass into breast milk and potentially harm the nursing infant.
    • Keep this medication out of reach of children and pets. Store in a cool, dry place away from direct sunlight.
  • Drug Interactions

    Following are the drug interactions for Hydroxyurea 500mg Capsule:

    • Combined use with myelosuppressive drugs may result in additive bone marrow suppression, requiring careful monitoring of blood counts.
    • Hydroxyurea can decrease the effectiveness of live vaccines, so vaccination schedules should be adjusted accordingly.
    • It may reduce the metabolism of phenytoin, primidone, and methadone, leading to increased levels of these drugs.
    • The risk of toxicity may increase when taken with antiretroviral drugs like didanosine, stavudine, or zidovudine.
    • Combining with radiation therapy can lead to severe bone marrow suppression and should be used with caution.
    • Patients using cytarabine or interferon alfa should be monitored closely due to potential hematologic toxicity.
    • Hydroxyurea can increase the risk of bleeding when used with anticoagulants or antiplatelet agents.
  • Food Interactions

    Following are the food interactions for Hydroxyurea 500mg Capsule:

    • Avoid alcohol consumption during treatment with Hydroxyurea as it can increase the risk of liver toxicity and worsen side effects like nausea and vomiting.
    • Grapefruit and grapefruit juice should be consumed with caution as they may affect the metabolism of Hydroxyurea, leading to increased drug levels in the body.
    • Avoid high-fat meals as they can increase the absorption of Hydroxyurea, potentially leading to higher blood levels of the medication.
    • Folic acid-rich foods like leafy greens, legumes, and citrus fruits should be included in the diet to reduce the risk of folate deficiency, which is a common side effect of Hydroxyurea.
    • Ensure adequate fluid intake to prevent dehydration, especially if experiencing nausea or diarrhea as side effects.
    • Limit the intake of foods high in tyramine, such as aged cheeses, cured meats, and fermented foods, as Hydroxyurea can affect the breakdown of tyramine, potentially leading to high blood pressure.
    • Maintain a balanced diet to support overall health and manage potential side effects like weight changes and gastrointestinal issues.
  • Storage/Disposal

    Hydroxyurea 500mg Capsules should be stored in a secure and dry location, preferably in a medicine cabinet, at room temperature (below 25°C/77°F). Keep the capsules in their original container, tightly sealed, to protect them from moisture and light. It is crucial to maintain a consistent storage environment as temperature fluctuations can impact the medication's effectiveness. Ensure the medication is stored away from children and pets to prevent accidental ingestion. When disposing of unused or expired capsules, do not throw them in the trash or flush them down the toilet. Contact your pharmacist or healthcare provider for guidance on proper disposal methods to minimize environmental impact. Regularly check the expiration date on the packaging, and do not use the medication if it is past its expiry.

  • Quick Tips, if any

    Following are the quick tips for Hydroxyurea 500mg Capsule:

    • Take the capsule as directed by your doctor, typically once or twice daily.
    • Swallow the capsule whole with a full glass of water; do not crush, chew, or break it.
    • Maintain a consistent medication schedule and try to take it at the same time each day.
    • Ensure you stay well-hydrated while taking this medication.
    • Do not share this medication with others, even if their symptoms appear similar.
    • Regular blood tests may be required to monitor your blood counts while on this medication.
    • Contact your doctor immediately if you experience any signs of infection or unusual bleeding/bruising.

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